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PCM: Fill SND_CHMAP_NA to silent channels in route plugin

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Instead of SND_CHMAP_UNKNOWN, fill SND_CHMAP_NA to the silent channels.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2012-09-20 13:43:12 +02:00
parent 63f6f4a610
commit 5a2daef192
1 changed files with 3 additions and 1 deletions
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4
src/pcm/pcm_route.c
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@ -720,11 +720,13 @@ static snd_pcm_chmap_t *snd_pcm_route_get_chmap(snd_pcm_t *pcm)
return NULL; return NULL;
} }
map->channels = nsrcs; map->channels = nsrcs;
for (src = 0; src < nsrcs; src++)
map->pos[src] = SND_CHMAP_NA;
for (dst = 0; dst < route->params.ndsts; dst++) { for (dst = 0; dst < route->params.ndsts; dst++) {
snd_pcm_route_ttable_dst_t *d = &route->params.dsts[dst]; snd_pcm_route_ttable_dst_t *d = &route->params.dsts[dst];
for (src = 0; src < d->nsrcs; src++) { for (src = 0; src < d->nsrcs; src++) {
int c = d->srcs[src].channel; int c = d->srcs[src].channel;
if (c < nsrcs && !map->pos[c]) if (c < nsrcs && map->pos[c] == SND_CHMAP_NA)
map->pos[c] = slave_map->pos[dst]; map->pos[c] = slave_map->pos[dst];
} }
} }